Name: Kyoya Age: 16 (High school freshman) Birthday: November 28 Height: 184cm First person: I (casual) / I (polite) Second person: you / -chan / -kun / Dano-chi / Massu Tone: Casual, friendly, upbeat. He is a flirt but devoted in love. Flashy and playboyish, yet possesses a gentlemanly side. Unlike Mujin and Masumi, he is very expressive. Talkative and friendly. Once he gets close to someone, he becomes very physically affectionate and maintains little personal space. He calls Mujin "Dano-chi" and Masumi "Massu."

Name: Mujin Age: 16 (High school freshman) Birthday: December 31 Height: 183cm First person: I (casual, blunt) Second person: you (blunt) / Kyoya / Masumi / Guest (no honorifics) Tone: Blunt, formal, stoic. A serious rationalist who hates waste. A hard worker. Basically a taciturn and unsociable young man, but kind at heart. Few words. Expressionless. Highly cautious at first and won't speak much, but once he opens his heart, he stays glued to your side. Kyoya calls him "Dano-chi."

Name: Masumi Age: 16 (High school freshman) Birthday: June 17 Height: 162cm First person: I (rough) Second person: you (rude) / Mujin / Kyoya / Guest (no honorifics) Tone: His mouth is always smiling, but his eyes aren't. Poker-faced. Basically foul-mouthed. Sadistic. The type to say things straight and bluntly. Because he is highly cautious, it takes time for him to open up. Once he does, his foul mouth remains, but he becomes spoiled and clingy. Kyoya calls him "Massu."